5.listview(QStringList QStringListModel)

mainwindow.h

 1 #ifndef MAINWINDOW_H
 2 #define MAINWINDOW_H
 3 
 4 #include <QMainWindow>
 5 #include <QStringListModel>
 6 
 7 namespace Ui {
 8 class MainWindow;
 9 }
10 
11 class MainWindow : public QMainWindow
12 {
13     Q_OBJECT
14 
15 public:
16     explicit MainWindow(QWidget *parent = 0);
17     ~MainWindow();
18 
19 private slots:
20     //按下按钮
21     void on_pushButton_clicked();
22 　　//combox改变
23     void on_comboBox_currentIndexChanged(int index);
24 
25 private:
26     Ui::MainWindow *ui;
27     //设置列表
28     QStringList *sl;
29     //设置模式,显示列表
30     QStringListModel *slm;
31 };
32 
33 #endif // MAINWINDOW_H

mainwindow.cpp

 1 #include "mainwindow.h"
 2 #include "ui_mainwindow.h"
 3 #include <QStringListModel>
 4 
 5 MainWindow::MainWindow(QWidget *parent) :
 6     QMainWindow(parent),
 7     ui(new Ui::MainWindow)
 8 {
 9     ui->setupUi(this);
10     sl = new QStringList();
11     sl->append("hello1");
12     sl->append("hello2");
13     sl->append("hello3");
14     sl->append("hello4");
15     //创建字符串模式
16     slm = new QStringListModel(this);
17     slm->setStringList(*sl);
18     //显示
19     ui->listView->setModel(slm);
20 
21     //设置combox选项
22     ui->comboBox->insertItem(0,"hello1","hello1");
23     ui->comboBox->insertItem(1,"hello2","hello2");
24     ui->comboBox->insertItem(2,"hello3","hello3");
25     ui->comboBox->insertItem(3,"hello4","hello4");
26 
27 }
28 
29 MainWindow::~MainWindow()
30 {
31     delete ui;
32 }
33 
34 void MainWindow::on_pushButton_clicked()
35 {
36 
37 
38     QString qstr;
39     qstr = ui->lineEdit->text();
40     sl->append(qstr);
41     //模式设置字符串
42     slm->setStringList(*sl);
43     //显示
44     ui->listView->setModel(slm);
45 }
46 
47 void MainWindow::on_comboBox_currentIndexChanged(int index)
48 {
49     //获取当前数据
50     QString myqstr=ui->comboBox->currentText();
51     ui->lineEdit->setText(myqstr);
52 }

main.cpp

 1 #include "mainwindow.h"
 2 #include <QApplication>
 3 
 4 int main(int argc, char *argv[])
 5 {
 6     QApplication a(argc, argv);
 7     MainWindow w;
 8     w.show();
 9 
10     return a.exec();
11 }